202020001109879 has 2 divisors, whose sum is σ = 202020001109880. Its totient is φ = 202020001109878.

The previous prime is 202020001109851. The next prime is 202020001109887. The reversal of 202020001109879 is 978901100020202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202020001109879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202020001106879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101010000554939 + 101010000554940.

It is an arithmetic number, because the mean of its divisors is an integer number (101010000554940).

Almost surely, 2^{202020001109879} is an apocalyptic number.

202020001109879 is a deficient number, since it is larger than the sum of its proper divisors (1).

202020001109879 is an equidigital number, since it uses as much as digits as its factorization.

202020001109879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 202020001109879 in words is "two hundred two trillion, twenty billion, one million, one hundred nine thousand, eight hundred seventy-nine".